Professor Matt England from the University of New South Wales says the findings send a message to doubters.

"Anybody out there lying that the IPCC projects are overstatements or that the observations haven't kept pace with the projections is completely off line with this ... the analysis is very clear that the IPCC projections are coming true," he said.

The analysis is very clear that the IPCC projections are coming true.

Professor Matt England on the IPCC's 1990 forecastListen to the interview

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